® OPERATOR’S MANUAL KM4 SR7
KM4 SR7 USE OF THIS MANUAL Before operating the Airsoft gun, read this manual in its entirety. Important safety topics and tips are discussed throughout all of the chapters. It’s important that the operator knows the principles of gun handling safety and operation prior to firing the Airsoft gun. SAFETY GUIDELINES ! Safety Distance WARNING! Failure to follow safety guidelines may result in serious injury. The effective shooting range is approximately 75 feet.
to shoot and will perform to its designed specifications for many years. Alterations, modifications or adjustments may damage your Airsoft gun, make it unsafe to shoot, and will void all warranty claims. Store Your Gun Safely Always store the Airsoft gun in a safe place, and out of the reach of children. Always transport the Airsoft gun in a carrying case. Never display the Airsoft gun in a public place. Keep the safety engaged, and remove the magazine before storing the Airsoft gun.
KM4 SR7 How To Obtain Warranty Service If your product needs service, it may be taken or shipped to KWA Performance Industries, Inc. The following procedures apply whenever your unit must be transported for warranty service: • You must go to Help Desk at www.kwausa.com/support obtain an RMA number. THE RMA NUMBER MUST BE CLEARLY MARKED ON THE OUTSIDE OF THE PACKAGE. PACKAGES WITHOUT AN RMA NUMBER CLEARLY MARKED WILL BE REFUSED AND RETURNED TO THE SENDER.
SPECIFICATIONS KM4 SR7 • Overall Length [Retracted] = 71.1 cm (28”) • Overall Length [Extended] = 78.74 cm (31”) • Outer Barrel Length = 283 mm (11.14”) • Inner Barrel Length = 273 mm • Inner Barrel Diameter = 6.05 mm • Weight = 2.85 kg (6.28 lbs) • Barrel thread = 14 mm Negative • Caliber = 6 mm • Magazine Capacity = 350 rounds • Rate of Fire = 20+ RPS • Velocity = 100~107 MPS (330~350 FPS) • Energy Output with = 1.14 Joules • Power Source = 9.6V NiMh, 7.4V or 11.
KM4 SR7 PACKAGE CONTENTS 1 KM4 SR7 Airsoft gun 2 Allen Wrenches (For cap screw removal) 1 Safety Cap 1 Sight Adjustment Tool 1 Cleaning Rod 1 Owners Manual BREAK–IN PERIOD Airsoft guns, like many other products require a “break-in” period to ensure the optimal performance. This break-in period allows the spring, piston, gears and other moving parts to be seated and become more consistent in their movements.
LOADING HIGH CAP Magazine 1. Release the magazine from the Airsoft gun by pressing the magazine release button. 2. Open the magazine top plate and pour Airsoft BBs into the chamber. Close the plate when the chamber is full. 3. Turn the winding wheel on the bottom of the magazine to tighten the spring tension. This will allow the Airsoft BBs to feed through the top of the magazine. 4. Insert the magazine into the Airsoft gun until it clicks into place.
KM4 SR7 FIRE SELECTOR SWITCH SEMI 1. Safe In Safe mode the gun will not fire. For safety, you should keep the switch in Safe mode at all times when you are not ready to fire. SAFE 2. Semi-Auto SEMI In Semi-Auto mode the gun will fire one shot for each time you pull the trigger. 3. Full Auto SEMI In Full Auto mode the gun will fire continuously as long as the trigger is depressed ! AUTO SAFE SAFE AUTO WARNING: Do not pull the trigger when switching the fire selector.
BATTERY INSTALLATION ! 1. WARNING: Stock must be fully collapsed before opening the stock cover. Do not remove the stock completely from the gun, doing so will disconnect the terminal inside Set fire selector to safe mode. Slightly pull the stock cover release tabs to remove the cover. 2a. Two types of battery can be used, nunchuck battery and small Lipo pack battery. When using a nunchuck battery, place the battery into the stock. Push the connector plugs together firmly until they click into place.
KM4 SR7 HOP–UP SYSTEM The Hop-Up device is one of KWA’s standard features, giving Airsoft BBs greater stability, further travel and increased accuracy. Airsoft BBs are light-weight and can be affected by wind when fired. With the Hop-Up system, the trajectory of the Airsoft BBs can be adjusted according to the shooting environment or surroundings. HOP-UP ADJUSTMENT • Pull the charging handle to the rear to open ejection port and reveal Hop-Up adjustment dial.
FRONT SIGHT ADJUSTMENT Sight Adjustment Tool • The front sight can be moved up and down when zeroing rear sight • Turn counter clockwise to lower the point of Impact • Stop turning when a click sound is heard REAR SIGHT ADJUSTMENT • Flip the rear sight between general and precise aiming • To adjust the horizontal point of impact, rotate the windage knob located on the rear of the sight • To adjust the vertical point of impact, rotate the sight elevation knob located on the right side of the sight Rear S
KM4 SR7 DISASSEMBLY Note: Before opening the receiver, the piston must be in the forward position. ! WARNING: Before removing any parts, be sure the fire selector is set to “safe”. Always place safety cap on the barrel tip when servicing the gun. 1. Fire in semi-automatic mode 2-3 times to clear the barrel and reset the piston. 2. Remove the Rear Pin only from lower receiver with the provided Allen wrenches. 3. Use one wrench to hold the cap screw and one to turn the set pin. 4.
Cleaning procedure ! WARNING! Unload and clear the Airsoft gun of all BBs before cleaning. Cleaning procedure The Airsoft gun barrel should be cleaned and lubricated after each shooting session. Regular cleaning prevents the effects of BB residue buildup, and ensures all parts are cleaned properly. 1. Ensure that the safety is engaged 2. Disable Hop-Up by dialing to the normal position 3. Remove the magazine and clear the chamber of loaded BBs 4.
KM4 SR7 BASIC TROUBLESHOOTING GUIDE FOR RIFLE SYMPTOMS CAUSE SOLUTIONS Selector set to Safe Mode Select Semi-Auto or Full-Auto Mode Dead battery Replace or Charge battery Burned out fuse Replace with a new fuse Motor damaged or bad connection Return gun for professional care Pinched wiring Return gun for professional care Motor is running but not firing Internal failure Return gun for professional care Motor or Battery is hot after short use Pinched wiring Return gun for professional care
Operating Under Unusual Conditions Unusual conditions are defined as any condition requiring special maintenance. Perform maintenance outlined for the climate similar to your operational area Extreme Cold: Operating an Airsoft gas gun in extremely cold temperatures is not recommended. Cold temperature will cause the Hop-Up Bucking to harden, reducing its effectiveness or cause the gearbox shell to fracture during operation, rendering the gun inoperable.
KM4 SR7 KM4 SR7 DIAGRAM 275 297 303 49 276 114 165 550 231 298 298 241 239 543 91 554 554 533 553 541 242 126 128 19 176 68 16 171 175 265A 539 541 553 69 193 538 553 553 158 14 162 36A 15 159 203 266 125 243 5 35A 127 234 101 203 2 106 161A 88 203 25 7 1A 204 163 229 47 48 15 164 243 226 13
210 3 37 259 120 198 282 46 138 173 67 293 205 17 291 121 8 295 137 77 182 218 6 185 24 135 209 296 229 153 138 123 215 274 292 66 260 302 262 202 236 273 290 85 294 301 218 261 201 174 9 253 227 227 109 507 57 206 206 509 115 519 508 512 506 513 505 514 500 196 503 520 514 518 516 515 510 501 511 517 16
KM4 SR7 KM4 SR7 PARTS LIST Parts # Description Parts # 199-1002-1A 199-1002-2 199-1002-3 199-1002-5 199-1002-6 199-1002-7 199-1002-8 199-1002-9 Foward Assist Button Inner Barrel Retainer BB Ramp Chamber Block Detente Bolt Plate Carrier Selector Cover Grip Hop-Up Adjustment Wheel Hop-Up Spindle (Small) Hop-Up Spindle (Large) Hop-Up Bar Lower Receiver Ejection Port Cover Lock Plunger Selector Plate Charging Handle Spring Hook Upper Receiver (Left) Upper Receiver (Right) Bolt Catch Charging Handle Chargin
KM4 SERIES GEARBOX PARTS LIST Parts # Description Parts # Description Parts # 199-1002-M3 199-1002-M7 199-1002-M19 Cylnder Head (Main) Piston (Main) Piston Plate Anti-Reversal Latch (Assembly) Cylinder Anti-Reversal Latch (Assembly) Switch (Assembly) Piston Head Piston (Assembly) Spring Guide (Assembly) Spring Guide (Assembly) Tappet Plate Spring Switch (Assembly) Anti-Reversal Latch Spring Main Spring Tappet Plate Safety Lever Base 199-1002-M53 199-1002-M54 199-1002-M55 199-1002-M56 199-1002-M57 199
MMD13_SR7 V02 R2011.12.23 KWA Performance Industries, Inc. 18571 E. Gale Ave City of Industry, CA 91748 T: 626.581.1777 • F: 626.581.0777 www.kwausa.com Copyright © September, 2009 KWA Performance Industries, Inc. All Rights Reserved.
